DE3875019D1 - FREQUENCY SYNTHETIZER WITH A TUNING INDICATOR. - Google Patents

FREQUENCY SYNTHETIZER WITH A TUNING INDICATOR.

Info

Publication number
DE3875019D1
DE3875019D1 DE8888201628T DE3875019T DE3875019D1 DE 3875019 D1 DE3875019 D1 DE 3875019D1 DE 8888201628 T DE8888201628 T DE 8888201628T DE 3875019 T DE3875019 T DE 3875019T DE 3875019 D1 DE3875019 D1 DE 3875019D1
Authority
DE
Germany
Prior art keywords
tuning indicator
frequency synthetizer
synthetizer
frequency
tuning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8888201628T
Other languages
German (de)
Other versions
DE3875019T2 (en
Inventor
Nicolas Paul Cowley
Pascal Walbrou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Plessey Overseas Ltd
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Plessey Overseas Ltd, Philips Gloeilampenfabrieken NV filed Critical Plessey Overseas Ltd
Application granted granted Critical
Publication of DE3875019D1 publication Critical patent/DE3875019D1/en
Publication of DE3875019T2 publication Critical patent/DE3875019T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
    • H03L7/0891—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S331/00—Oscillators
    • Y10S331/02—Phase locked loop having lock indicating or detecting means
DE88201628T 1987-07-29 1988-07-28 Frequency synthesizer with a tuning indicator. Expired - Fee Related DE3875019T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8710726A FR2618958B1 (en) 1987-07-29 1987-07-29 FREQUENCY SYNTHESIZER HAVING A TUNING INDICATOR

Publications (2)

Publication Number Publication Date
DE3875019D1 true DE3875019D1 (en) 1992-11-05
DE3875019T2 DE3875019T2 (en) 1994-01-27

Family

ID=9353671

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88201628T Expired - Fee Related DE3875019T2 (en) 1987-07-29 1988-07-28 Frequency synthesizer with a tuning indicator.

Country Status (5)

Country Link
US (1) US4862105A (en)
EP (1) EP0302562B1 (en)
JP (1) JP2885287B2 (en)
DE (1) DE3875019T2 (en)
FR (1) FR2618958B1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2778169B2 (en) * 1989-12-30 1998-07-23 ソニー株式会社 Digital signal processing circuit
JP2638286B2 (en) * 1990-10-31 1997-08-06 日本電気株式会社 Phase comparison circuit
US5319798A (en) * 1990-10-31 1994-06-07 Nec Corporation Radio transceiver having PLL synthesizer
US5742191A (en) * 1993-12-08 1998-04-21 Thomson Consumer Electronics, Inc. D/A for controlling an oscillator in a phase locked loop
US6310927B1 (en) * 1994-03-31 2001-10-30 Stmicroelectronics, Inc. First order tuning circuit for a phase-locked loop
US5530383A (en) * 1994-12-05 1996-06-25 May; Michael R. Method and apparatus for a frequency detection circuit for use in a phase locked loop
US5781036A (en) * 1997-04-01 1998-07-14 Maxim Integrated Products, Inc. Phase detector
US5870002A (en) * 1997-06-23 1999-02-09 Exar Corporation Phase-frequency lock detector
FR2793091B1 (en) 1999-04-30 2001-06-08 France Telecom FREQUENCY SERVO DEVICE
KR100510519B1 (en) * 2003-02-05 2005-08-26 삼성전자주식회사 Phase locked loop with elevated phase lock/unlock detecting function

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54115817U (en) * 1978-02-02 1979-08-14
JPS6010458B2 (en) * 1979-08-23 1985-03-18 富士通株式会社 Phase locked loop circuit
US4473805A (en) * 1981-12-14 1984-09-25 Rca Corporation Phase lock loss detector
JPS60247330A (en) * 1984-05-22 1985-12-07 Mitsubishi Electric Corp Unlock detecting circuit
US4584537A (en) * 1985-04-17 1986-04-22 Burroughs Corporation Synchronized oscillator lock detector
GB8522998D0 (en) * 1985-09-18 1985-10-23 Plessey Co Plc Phase comparator lock detect circuit

Also Published As

Publication number Publication date
FR2618958B1 (en) 1995-04-21
EP0302562B1 (en) 1992-09-30
DE3875019T2 (en) 1994-01-27
EP0302562A1 (en) 1989-02-08
JP2885287B2 (en) 1999-04-19
US4862105A (en) 1989-08-29
FR2618958A1 (en) 1989-02-03
JPS6444623A (en) 1989-02-17

Similar Documents

Publication Publication Date Title
IT1235429B (en) MICROWAVE AIRCRAFT.
DE3583629D1 (en) INTEGRATED CIRCUIT WITH A MELT-FUSE CIRCUIT.
DE3585639D1 (en) TUNED OSCILLATOR.
DE68924525D1 (en) Community object status indicator.
DE68914717D1 (en) Frequency synthesizer with interference signal compensation.
DE3867686D1 (en) MICROWAVE PROBE.
DE3585928D1 (en) MULTIPLIER WITH DOUBLE ACCURACY.
DE3877103D1 (en) MICROWAVE OSCILLATOR.
DE69017129D1 (en) FREQUENCY SYNTHESIZER WITH BROKEN PART RATIO.
DE3669207D1 (en) MAGNETIC RESONANCE DEVICE WITH A DECOUPLED SURFACE RECEIVER.
DE3873020D1 (en) CLUTCH WITH LOCK INDICATOR.
IT8522162A0 (en) COUNTERSHAFT TRANSMISSION.
DE3875019D1 (en) FREQUENCY SYNTHETIZER WITH A TUNING INDICATOR.
DE3853055D1 (en) YIG-tuned oscillator.
DE68916656D1 (en) Frequency shift compensation with periodically assigned single words in a transponder.
DE3879443D1 (en) ELECTRONIC BLOWING INSTRUMENT WITH A TONE HEIGHT DELAY FUNCTION.
DE68903855D1 (en) AUTOMATIC FREQUENCY TUNING.
FR2568057B1 (en) MICROWAVE TUBE
DE3751078D1 (en) Quartz oscillator with a wide pull range.
IT8622037V0 (en) DIELECTRIC RESONER MICROWAVE OSCILLATOR.
DE3575207D1 (en) RADAR SYSTEM WITH A CIRCUIT-SUPPRESSION CIRCUIT.
DE3775992D1 (en) FIBER RAMAN CIRCUIT WITH A REENTRANT RESONANCE CIRCUIT.
DE3853983D1 (en) Electronic oscillator.
DE3889714D1 (en) Integrated circuit arrangement with a capacitance.
DE3888655D1 (en) Electronic musical instrument with a rhythm function.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN, EINDHOVEN, NL

8328 Change in the person/name/address of the agent

Free format text: KUPFERMANN, F., DIPL.-ING., PAT.-ANW., 20097 HAMBURG

8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL PLESSEY SE

8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee